Test your basic knowledge |

Skeletal System

Subject : health-sciences
Instructions:
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Skull bones that are external bones of the cranium; form the lateral walls of the cranium - contain the middle and inner ear structures - and are the skull bones that form the temporomandibular joints with the mandible.






2. Short - faced; breeds including Boston terriers - pugs - English bulldogs - and Pekingese.






3. Also known as the spinal column; the collective name for the cervical - thoracic - lumbar - sacral - and coccygeal vertebrae.






4. The joint movement whereby an extremity is moved toward the median plane.






5. One of countless tiny channels through the matrix of bone that bring blood in from the periosteum to the haversian canals in the centers of the haversian systems. The haversian systems run lengthwise in long bones while these canals come in at right

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6. The main - weight - bearing bone of the lower leg; forms the stifle joint with the femur proximal to it and the hock with the tarsus distal to it.






7. Membrane bone formation; the type of bone formation that occurs only in certain skull bones when bone froms in the fibrous tissue membranes that cover the brain of the developing fetus.






8. The epiphyseal plate of a long bone; located at the junction of the proximal and distal epiphyses with the diaphysis. Areas where long bones increase in length by the process of endochondral bone formation. When an animal reaches its full size - thes






9. The type of bone formation whereby bone grows into and replaces a cartilage model; this is the method by which most bones form in a developing fetus - starting with cartilage 'prototypes' that are gradually replaced by bone. It is also the means by w






10. A pair of large holes in the pelvis located on either side of the pubic symphysis; the role seems to be to lighten the pelvis because no large nerves or vessels pass through them.






11. A general name for a lump - bump - or other projection on a bone; can be articular processes or nonarticular processes - which are usually sites where tendons attach.






12. The immovable fibrous joints that unite most of the skull bones; also known as synarthroses.






13. The bones along the central axis of the body; made up of the skull - hyoid bone - the spinal column - the ribs - and the sternum.






14. The second cervical vertebra; it forms the atlantoaxial joint with the first cervical vertebra - the atlas.






15. Tiny channels through the matrix of bone. Threadlike projections from osteocytes communicate with each other and with blood vessels through these structures.






16. Bones present in some tendons where they change direction markedly over joints; act as bearings over joint surfaces - allowing powerful muscles to move the joints without the tendons wearing out as they move over the joints.






17. The long bone of the brachium or upper arm.






18. The vertical portion of the mandible located at its caudal end; site where jaw muscles attach to the mandible.






19. A joint in which the bones are united by cartilage; also called an amphiarthrosis. Only a slight rocking motion is permitted between the bones.






20. The hind limb.






21. One of two bones (the radius is the other) that form the antebrachium - or forearm; forms a major portion of the elbow joint with the distal end of the humerus.






22. A joint motion whereby the distal end of an extremity moves in a circle.






23. The upper arm; the area of the thoracic limb between the elbow and the shoulder.






24. One of the three ossicles in the middle ear; also called the hammer - this bone is the outermost of the three ossicles and is attached to the tympanic membrane.






25. The paranasal sinus in the ethmoid bone of horses and humans.






26. Bones that are relatively thin and flat; they consist of two thin plates of compact bone separated by a thin layer of cancellous bone. Includes skull bones and the scapula.






27. Also called a spheroidal joint - it consists of a spherical joint surface (the ball) that fits into a closely matching - concave joint surface (the socket). Examples: shoulder and hip joints. Capable of all synovial joint movements.






28. The visceral bone in the penis of dogs that partially surrounds the penile portion of the urethra.






29. The bones of the tarsus - consisting of two rows of short bones located between the distal ends of the tibia and fibula and the proximal ends of the metatarsal bones.






30. A space within a skull bone that is an outpouching of a nasal cavity; depending on the species - these are found within the frontal bones - maxillary bones - sphenoid bones - and ethmoid bones.






31. The cartilaginous disk located between the bodies of adjacent vertebrae; acts as a shock absorber for the vertebrae.






32. The joint movement that increases the angle between the two bones.






33. A skull bone; an internal bone of the cranium. This single bone is located just rostral to the sphenoid bone and contains the cribriform plate.






34. The joint movement that decreases the angle between two bones.






35. The visceral bone in the heart of cattle that helps support the valves of the heart.






36. A thin bone located beside the tibia in the lower leg region of the pelvic limb. It is a complete bone in the dog and cat - but only the proximal and distal ends are present in horses and cattle. It doesn't support any appreciable weight - but acts a






37. Skull bones that are part of the internal bones of the face; make up the caudal portion of the hard palate.






38. The hormone secreted by the parathyroid gland that prevents the level of calcium in the blood from getting too low.






39. The main growth area of a bone developing by endochondral method; areas of bone development that are located in the main portions of the cartilage rod bone templates in the developing fetus.






40. The joint between the femur and the tibia; called the knee joint in humans.






41. The 'forearm' region of the thoracic limb.






42. The socket portion of the ball - and - socket hip joint; it is formed at the junction of the ilium - ischium - and pubic bones of the pelvis.






43. One of the two bones (with the ulna) that form the antebrachium - or forearm; usually the main weightbearing bone.






44. The visceral bone in the snout of swine that strengthens it for the rooting behavior of pigs.






45. A bone of the sternum.






46. Long - faced. Example: Collie.






47. Skull bones that are part of the external bones of the cranium; located on the dorsal midline just rostral to the occipital bone.






48. The single - dorsally projecting process of a vertebra.






49. Large - multinuclear cells of bone that absorb bone and structures and reshape or remodel damaged bones.






50. A large channel through which large blood vessels pass carrying blood to and from the bone marrow.